Case Study 4: Any concern with the Bin Centre (Pneumatic Waste Conveyance System) PWCS? 1. Great that for HDB Tampines Green Glen, the PWCS is literally out-of-sight and out-of-mind. 2. This PWCS is neatly tucked away with the Electrical Sub-Station (ESS) attched to the MSCP. Kudos, here. 3. However, if one has heard the nightmare / education required / several circulars of some exisiting condos e.g. CDL developments like The Venue etc... their is some learning curve as to w